Class 7 Simple Equations CBSE Questions & Answers

Class 7 · Simple Equations

This is Mathematics Class 7 Simple Equations CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Solve: 4 (m + 3) = 18
  • A
    m = 1
  • B
    None of these
  • C
    m = \(\frac{1}{2}\)
  • D
    \(m = \frac{3}{2}\)
    Correct
2
Solve: – \({\text{2}}\left( {x + {\text{ 3}}} \right){\text{ }} = {\text{ 5}}\)
  • A
    \(x = \frac{{ - 11}}{2}\)
    Correct
  • B
    x = 10
  • C
    x = 11
  • D
    None of these
3
When you multiply a number by 6 and subtract 5 from the product, you get 7. Find the number.
  • A
    4
  • B
    2
    Correct
  • C
    3
  • D
    None of these
4
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. What is the lowest score?
  • A
    None of these
  • B
    40
    Correct
  • C
    42
  • D
    44
5
In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°).
  • A
    None of these
  • B
    90\(^\circ \)
  • C
    80\(^\circ \)
  • D
    70\(^\circ \)
    Correct
6
What is l in 3l = 42?
  • A
    14
  • B
    2
  • C
    18
    Correct
  • D
    None of these
7
An ___________ is a condition on a variable.
  • A
    equation
    Correct
  • B
    None of these
  • C
    equal
  • D
    expression
8
In Equation 4x + 5 = 65, the ________ is (4x + 5).
  • A
    LHS
    Correct
  • B
    Equality
  • C
    RHS
  • D
    None of these
9
If we add the same number to both sides of a balance equation, the balance is _____.
  • A
    undisturbed
    Correct
  • B
    equal
  • C
    disturbed
  • D
    None of these
10
What is p in 2p – 1 = 23?
  • A
    None of these
  • B
    16
  • C
    14
  • D
    12
    Correct
11
What is y in 8y = 36?
  • A
    0
  • B
    12
  • C
    \(\frac{9}{2}\)
    Correct
  • D
    None of these
12
A _________ takes on different numerical values; its value is not fixed.
  • A
    equality
  • B
    variable
    Correct
  • C
    None of these
  • D
    term
13
In Equation 4x + 5 = 65, the ______ is 65.
  • A
    None of these
  • B
    Equality
  • C
    LHS
  • D
    RHS
    Correct
14
If we subtract the same number from both sides of a balance equation, the balance is __________.
  • A
    equal
  • B
    undisturbed
    Correct
  • C
    None of these
  • D
    disturbed
15
Solve: \(\frac{p}{4} = 5\)
  • A
    p = 4
  • B
    p = 5
  • C
    p = 9
  • D
    p = 20
    Correct